tdera.ru
Observed Jul 18, 2026, 13:52 UTC (1d ago). Every field below was attested with an Ed25519 signature at scan time.
Up right now
Runs onDDOS-GUARD
Secured byLet's Encrypt
1 subdomain · tranco_40k
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat tdera.ru actually stands on - every host below is a signed observation
tdera.ru
A / AAAA
185.215.4.23
DDOS-GUARDserves the site
NS
ns1.r-ulybka.runs2.r-ulybka.runs3-l2.nic.runs4-l2.nic.ru+3 more
r-ulybka.ru + nic.ruanswers its DNS
MX
mail.tdera.rumail2.tdera.ru
tdera.rureceives its email
TLS
tdera.ru
Let's Encryptissued its certificate
DNS Records
A 1
185.215.4.23
MX 2
20mail.tdera.ru40mail2.tdera.ru
TXT 7
MS=ms63343741HARICA-alPYqo2r56u7wQkuHhsc42eb380-8f7c-40c6-a25a-f12ca4787bc8v=spf1 mx ip4:109.167.252.43 ip4:109.167.252.25 -all_globalsign-domain-verification=q7oQpizOyMzEvG2rS55eBBN7WM4InzsH74eFBv_GuO4vKQMybFl6JsLWn0mEhw/SvyP+mm6vwW6cq+SYOTI8ihwjoWruyrdi3Hw5uWIJjRZ+zQk8Xn9G7xLMzcTwbZxQ==v=DMARC1; p=reject; sp=reject; rua=mailto:dmarc@tdera.ru
NS 7
ns1.r-ulybka.runs2.r-ulybka.runs3-l2.nic.runs4-l2.nic.runs8-l2.nic.runs4-cloud.nic.runs8-cloud.nic.ru
SOA 1
ns3-l2.nic.ru sysadmins.tdera.ru
TLS Certificates (3)
| Common Name | Issuer | Expires |
|---|---|---|
tdera.ru |
C=US, O=Let's Encrypt, CN=YR2 | Sun, 04 Oct 2026 06:01:50 +0000 |
YR2 |
C=US, O=ISRG, CN=Root YR | Sat, 02 Sep 2028 23:59:59 +0000 |
Root YR |
C=US, O=Internet Security Research Group, CN=ISRG Root X1 | Thu, 02 Sep 2032 23:59:59 +0000 |
Subdomains (1)
The proof
Signed at scan time. Check the math yourself. Every line above is part of one signed observation. Re-hash it and check the Ed25519 signature in your own browser; nothing leaves your machine.
Verify this receiptPut the receipt on your own site. A live badge showing what DomainDrift observes and signs for tdera.ru. It updates itself. It attests a signed observation - not that the site is safe.
<a href="https://domaindrift.io/t/tdera.ru">
<img src="https://domaindrift.io/badge/tdera.ru.svg"
width="300" height="64" alt="DomainDrift signed observations for tdera.ru">
</a>
Ed25519 Receipt
- Receipt ID
331a4edd-c060-4033-8472-5c7650456fb2- Output Hash
6a00d00ae0952cbb5f4c95cc9ef2a43dc5922490e8182f47581b3b6819fd554b- Signature
ed25519:2d7054f99c4d8b801bd0f9bd107f42dd13af65bb696086f5a1507d2a1719f9e5e108aaff96fc3cd1e13b217bf0e53040eff96b80381fe906d8d209f34b73c10f- Public Key
ed25519:178c3bd0f57d9d64b83cc4630753381e1a465005a2bbba3d032371f24af0bfd8- Parent
(genesis)- Plane
- fast